[erlang-questions] erl_tidy and specs

[Noah Diewald]

I think that "go fmt" was a direct result of having acme editor users on
the team. The formatting in acme is always done by an external
program. I tend to make fmt shell tools for all the languages I use. For
erlang I actually use an emacs batch command. It would be nice to have
something less clunky but my current setup is works.

gleber.p@REDACTED writes:

> The fact that Go team created and popularized "go fmt" from the
> very-very beginning was an awesome move! I would really like to be
> able to read the code which is always sanely and consistently
> formatted. If someone had time to improve erl_tidy and OTP team would
> promote it more, I would so very happy.
>
> On Fri, Feb 7, 2014 at 4:33 PM, Anthony Ramine <n.oxyde@REDACTED> wrote:
>> Yeah it is expected. Syntax_tools pretty-printing of Dialyzer-related attributes could be improved, but it requires a lot of new functions, as they are currently dumbed down to tuples.
>>
>> --
>> Anthony Ramine
>>
>> Le 7 févr. 2014 à 14:53, Fredrik Andersson <sedrik@REDACTED> a écrit :
>>
>>> Hi all
>>>
>>> In light of the recent indentation flamewar I thought about looking for something that could become our version of go fmt and stumbled across erl_tidy (http://erlang.org/doc/man/erl_tidy.html).
>>>
>>> Now it looks good but seems to be old as it does not handle specs correctly.
>>>
>>> Given the following file.
>>>  -module(spec_error).
>>>
>>> -export([spec_error_fun/0]).
>>>
>>> -spec spec_error_fun() -> ok.
>>> spec_error_fun() ->
>>>     ok.
>>>
>>> after calling erl_tidy:dir() in the directory where it resides I get the following.
>>>
>>> -module(spec_error).
>>>
>>> -export([spec_error_fun/0]).
>>>
>>> -spec({{spec_error_fun, 0},
>>>        [{type, 5, 'fun',
>>>          [{type, 5, product, []}, {atom, 5, ok}]}]}).
>>>
>>> spec_error_fun() -> ok.
>>>
>>> Is this expected or is it a bug?
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>>
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